Windows 8 and 8.1 Forums


Windows 7 x64 on my Zennbook UX302LG issue

  1. #1


    Posts : 10
    Windows 7 x64

    Windows 7 x64 on my Zennbook UX302LG issue


    Hi !

    If I'm copying "bootmgfw.efi" from Windows 8 x64 to my USB key, When the installation of Windows 7 x64 on my Zennbook UX302LG a message appear telling me the CD/DVD drivers are missing (but there's no CD/DVD on my Zenbook)

    And if I'm copying "bootmgfw.efi" from Windows 7 x64 to my USB key this message appear :


    Does anybody could help me ?
    Last edited by Brink; 06 Jul 2014 at 11:16. Reason: removed broken image

      My System SpecsSystem Spec

  2. #2


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Hi CunC and welcome to 8 forums! Not sure what you are asking. You can not use the 8 bootmgfw.efi file to boot and install 8 on your Zennbook if that is what you are trying to do.
      My System SpecsSystem Spec

  3. #3


    Posts : 10
    Windows 7 x64


    Sorry ! I had problem with my post and now it's not in the subject I want to answer : "Downgrade Windows 8 to windows 7"

    I'll retry to post in the good section
      My System SpecsSystem Spec

  4. #4


    Posts : 22,582
    64-bit Windows 10


    Hello Cun, and welcome to Eight Forums.

    Your post was moved here from that tutorial since it was unrelated to the tutorial itself, and so that you can get better help.

    Please go ahead and continue in this thread.
      My System SpecsSystem Spec

  5. #5


    Posts : 10
    Windows 7 x64


    Thanks
      My System SpecsSystem Spec

  6. #6


    Posts : 879
    Windows 10


    Quote Originally Posted by CunC View Post
    When the installation of Windows 7 x64 on my Zennbook UX302LG a message appear telling me the CD/DVD drivers are missing (but there's no CD/DVD on my Zenbook)
    You must use the USB 2.0 port, if you install Windows 7 from USB flash drive and receive the following error message: A required CD/DVD drive device driver is missing.
      My System SpecsSystem Spec

  7. #7


    Posts : 10
    Windows 7 x64


    My 3 USB connexion are 3.0 ports
    I'll try to download drivers
      My System SpecsSystem Spec

  8. #8


    Posts : 10
    Windows 7 x64


    I tried this 2 drivers from Intel "USB 3.0 Driver Intel 7 Series C216 Chipset 1.0.10.255" and "USB 3.0 Driver Intel 8 Series C220 Chipset 2.5.3.34" when the message appears but it didn't work ! (I tried all folder in "drivers")

    An other idea ?
      My System SpecsSystem Spec

  9. #9


    Posts : 879
    Windows 10


    Asus UX31A Fresh Install Guide - Page 10

    For those with Bios 219, the following solution fixed the CD-DVD driver error for me:

    0.) Use X17-58997.iso to create bootable Windows installation USB with Windows USB DVD Download Tool.
    1.) Press F2 on boot to enter BIOS console.
    2.) Press F9 to restore Optimized Defaults. Ensure that under the Advanced tab -> USB Configuration, the XHCI Pre-Boot Mode is set to Auto, NOT Enabled. This setting was preventing the Windows installation program from recognizing input to the USB 3.0 ports.
      My System SpecsSystem Spec

  10. #10


    Posts : 10
    Windows 7 x64


    Thanks a lot !
    I'll try that method soon as possible
      My System SpecsSystem Spec

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Windows 7 x64 on my Zennbook UX302LG issue
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